mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-18 04:44:17 +00:00
435 lines
18 KiB
C++
435 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.1 (the "License"); you may not use this file except in
|
|
* compliance with the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the NPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the NPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
#ifndef nsTableOuterFrame_h__
|
|
#define nsTableOuterFrame_h__
|
|
|
|
#include "nscore.h"
|
|
#include "nsHTMLContainerFrame.h"
|
|
#include "nsBlockFrame.h"
|
|
#include "nsITableLayout.h"
|
|
|
|
#ifdef DEBUG_TABLE_REFLOW_TIMING
|
|
class nsReflowTimer;
|
|
#endif
|
|
|
|
struct nsStyleTable;
|
|
class nsTableFrame;
|
|
|
|
class nsTableCaptionFrame : public nsBlockFrame
|
|
{
|
|
public:
|
|
// nsISupports
|
|
virtual nsIAtom* GetType() const;
|
|
friend nsresult NS_NewTableCaptionFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame);
|
|
|
|
protected:
|
|
nsTableCaptionFrame();
|
|
virtual ~nsTableCaptionFrame();
|
|
};
|
|
|
|
|
|
/* TODO
|
|
1. decide if we'll allow subclassing. If so, decide which methods really need to be virtual.
|
|
*/
|
|
|
|
/**
|
|
* main frame for an nsTable content object,
|
|
* the nsTableOuterFrame contains 0 or one caption frame, and a nsTableFrame
|
|
* psuedo-frame (referred to as the "inner frame').
|
|
*/
|
|
class nsTableOuterFrame : public nsHTMLContainerFrame, public nsITableLayout
|
|
{
|
|
public:
|
|
|
|
// nsISupports
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
|
|
/** instantiate a new instance of nsTableOuterFrame.
|
|
* @param aPresShell the presentation shell
|
|
* @param aResult the new object is returned in this out-param
|
|
*
|
|
* @return NS_OK if the frame was properly allocated, otherwise an error code
|
|
*/
|
|
friend nsresult NS_NewTableOuterFrame(nsIPresShell* aPresShell, nsIFrame** aResult);
|
|
|
|
// nsIFrame overrides - see there for a description
|
|
|
|
NS_IMETHOD Init(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsStyleContext* aContext,
|
|
nsIFrame* aPrevInFlow);
|
|
|
|
NS_IMETHOD Destroy(nsIPresContext* aPresContext);
|
|
|
|
virtual PRBool IsContainingBlock() const;
|
|
|
|
NS_IMETHOD SetInitialChildList(nsIPresContext* aPresContext,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aChildList);
|
|
|
|
virtual nsIFrame* GetFirstChild(nsIAtom* aListName) const;
|
|
|
|
virtual nsIAtom* GetAdditionalChildListName(PRInt32 aIndex) const;
|
|
|
|
NS_IMETHOD AppendFrames(nsIPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aFrameList);
|
|
|
|
NS_IMETHOD InsertFrames(nsIPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aPrevFrame,
|
|
nsIFrame* aFrameList);
|
|
|
|
NS_IMETHOD RemoveFrame(nsIPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aOldFrame);
|
|
|
|
#ifdef ACCESSIBILITY
|
|
NS_IMETHOD GetAccessible(nsIAccessible** aAccessible);
|
|
#endif
|
|
|
|
/** @see nsIFrame::Paint */
|
|
NS_IMETHOD Paint(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer,
|
|
PRUint32 aFlags = 0);
|
|
|
|
// the outer table does not paint its entire background if it has margins and/or captions
|
|
virtual PRBool CanPaintBackground() { return PR_FALSE; }
|
|
|
|
NS_IMETHOD GetFrameForPoint(nsIPresContext* aPresContext,
|
|
const nsPoint& aPoint,
|
|
nsFramePaintLayer aWhichLayer,
|
|
nsIFrame** aFrame);
|
|
|
|
/** process a reflow command for the table.
|
|
* This involves reflowing the caption and the inner table.
|
|
* @see nsIFrame::Reflow */
|
|
NS_IMETHOD Reflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
/**
|
|
* Get the "type" of the frame
|
|
*
|
|
* @see nsLayoutAtoms::tableOuterFrame
|
|
*/
|
|
virtual nsIAtom* GetType() const;
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHOD GetFrameName(nsAString& aResult) const;
|
|
#endif
|
|
|
|
/** SetSelected needs to be overridden to talk to inner tableframe
|
|
*/
|
|
NS_IMETHOD SetSelected(nsIPresContext* aPresContext,
|
|
nsIDOMRange *aRange,
|
|
PRBool aSelected,
|
|
nsSpread aSpread);
|
|
|
|
/** return the min width of the caption. Return 0 if there is no caption.
|
|
* The return value is only meaningful after the caption has had a pass1 reflow.
|
|
*/
|
|
nscoord GetMinCaptionWidth();
|
|
|
|
NS_IMETHOD GetParentStyleContextFrame(nsIPresContext* aPresContext,
|
|
nsIFrame** aProviderFrame,
|
|
PRBool* aIsChild);
|
|
|
|
/*---------------- nsITableLayout methods ------------------------*/
|
|
|
|
/** @see nsITableFrame::GetCellDataAt */
|
|
NS_IMETHOD GetCellDataAt(PRInt32 aRowIndex, PRInt32 aColIndex,
|
|
nsIDOMElement* &aCell, //out params
|
|
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
|
|
PRInt32& aRowSpan, PRInt32& aColSpan,
|
|
PRInt32& aActualRowSpan, PRInt32& aActualColSpan,
|
|
PRBool& aIsSelected);
|
|
|
|
/** @see nsITableFrame::GetTableSize */
|
|
NS_IMETHOD GetTableSize(PRInt32& aRowCount, PRInt32& aColCount);
|
|
|
|
static void ZeroAutoMargin(nsHTMLReflowState& aReflowState,
|
|
nsMargin& aMargin);
|
|
|
|
PRBool IsNested(const nsHTMLReflowState& aReflowState) const;
|
|
|
|
static PRBool IsAutoWidth(nsIFrame& aTableOrCaption,
|
|
PRBool* aIsPctWidth = nsnull);
|
|
|
|
protected:
|
|
|
|
|
|
nsTableOuterFrame();
|
|
virtual ~nsTableOuterFrame();
|
|
|
|
void InitChildReflowState(nsIPresContext& aPresContext,
|
|
nsHTMLReflowState& aReflowState);
|
|
|
|
/** Always returns 0, since the outer table frame has no border of its own
|
|
* The inner table frame can answer this question in a meaningful way.
|
|
* @see nsHTMLContainerFrame::GetSkipSides */
|
|
virtual PRIntn GetSkipSides() const;
|
|
|
|
/** overridden here to handle special caption-table relationship
|
|
* @see nsContainerFrame::VerifyTree
|
|
*/
|
|
NS_IMETHOD VerifyTree() const;
|
|
|
|
/**
|
|
* Remove and delete aChild's next-in-flow(s). Updates the sibling and flow
|
|
* pointers.
|
|
*
|
|
* Updates the child count and content offsets of all containers that are
|
|
* affected
|
|
*
|
|
* Overloaded here because nsContainerFrame makes assumptions about pseudo-frames
|
|
* that are not true for tables.
|
|
*
|
|
* @param aChild child this child's next-in-flow
|
|
* @return PR_TRUE if successful and PR_FALSE otherwise
|
|
*/
|
|
virtual void DeleteChildsNextInFlow(nsIPresContext* aPresContext, nsIFrame* aChild);
|
|
|
|
// begin Incremental Reflow methods
|
|
|
|
/** process an incremental reflow command */
|
|
NS_IMETHOD IncrementalReflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
/** process an incremental reflow command targeted at a child of this frame. */
|
|
NS_IMETHOD IR_TargetIsChild(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus,
|
|
nsIFrame * aNextFrame);
|
|
|
|
/** process an incremental reflow command targeted at the table inner frame. */
|
|
NS_IMETHOD IR_TargetIsInnerTableFrame(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
/** process an incremental reflow command targeted at the caption. */
|
|
NS_IMETHOD IR_TargetIsCaptionFrame(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
/** process an incremental reflow command targeted at this frame.
|
|
* many incremental reflows that are targeted at this outer frame
|
|
* are actually handled by the inner frame. The logic to decide this
|
|
* is here.
|
|
*/
|
|
NS_IMETHOD IR_TargetIsMe(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
/** pass along the incremental reflow command to the inner table. */
|
|
NS_IMETHOD IR_InnerTableReflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
/** handle incremental reflow notification that a caption was inserted. */
|
|
NS_IMETHOD IR_CaptionInserted(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
/** handle incremental reflow notification that we have dirty child frames */
|
|
NS_IMETHOD IR_ReflowDirty(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
/** handle incremental reflow notification that the caption style was changed
|
|
* such that it is now left|right instead of top|bottom, or vice versa.
|
|
*/
|
|
PRBool IR_CaptionChangedAxis(const nsStyleTable* aOldStyle,
|
|
const nsStyleTable* aNewStyle) const;
|
|
|
|
// end Incremental Reflow methods
|
|
|
|
nscoord GetMaxElementWidth(PRUint8 aCaptionSide,
|
|
const nsMargin& aInnerMargin,
|
|
const nsMargin& aInnerPadding,
|
|
const nsMargin& aCaptionMargin);
|
|
|
|
nscoord GetMaxWidth(PRUint8 aCaptionSide,
|
|
const nsMargin& aInnerMargin,
|
|
const nsMargin& aCaptionMargin);
|
|
|
|
PRUint8 GetCaptionSide();
|
|
|
|
PRUint8 GetCaptionVerticalAlign();
|
|
|
|
void SetDesiredSize(nsIPresContext* aPresContext,
|
|
PRUint8 aCaptionSide,
|
|
const nsMargin& aInnerMargin,
|
|
const nsMargin& aCaptionMargin,
|
|
nscoord aAvailWidth,
|
|
nscoord& aWidth,
|
|
nscoord& aHeight);
|
|
|
|
void PctAdjustMinCaptionWidth(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState& aOuterRS,
|
|
PRUint8 aCaptionSide,
|
|
nscoord& capMin);
|
|
|
|
void BalanceLeftRightCaption(nsIPresContext* aPresContext,
|
|
PRUint8 aCaptionSide,
|
|
const nsMargin& aInnerMargin,
|
|
const nsMargin& aCaptionMargin,
|
|
nscoord& aInnerWidth,
|
|
nscoord& aCaptionWidth);
|
|
|
|
NS_IMETHOD GetCaptionOrigin(nsIPresContext* aPresContext,
|
|
PRUint32 aCaptionSide,
|
|
const nsSize& aContainBlockSize,
|
|
const nsSize& aInnerSize,
|
|
const nsMargin& aInnerMargin,
|
|
const nsSize& aCaptionSize,
|
|
nsMargin& aCaptionMargin,
|
|
nsPoint& aOrigin);
|
|
|
|
NS_IMETHOD GetInnerOrigin(nsIPresContext* aPresContext,
|
|
PRUint32 aCaptionSide,
|
|
const nsSize& aContainBlockSize,
|
|
const nsSize& aCaptionSize,
|
|
const nsMargin& aCaptionMargin,
|
|
const nsSize& aInnerSize,
|
|
nsMargin& aInnerMargin,
|
|
nsPoint& aOrigin);
|
|
// Get the available width for the caption, aInnerMarginNoAuto is aInnerMargin, but with
|
|
// auto margins set to 0
|
|
nscoord GetCaptionAvailWidth(nsIPresContext* aPresContext,
|
|
nsIFrame* aCaptionFrame,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsMargin& aCaptionMargin,
|
|
nsMargin& aCaptionPad,
|
|
nscoord* aInnerWidth = nsnull,
|
|
const nsMargin* aInnerMarginNoAuto = nsnull,
|
|
const nsMargin* aInnerMargin = nsnull);
|
|
|
|
nscoord GetInnerTableAvailWidth(nsIPresContext* aPresContext,
|
|
nsIFrame* aInnerTable,
|
|
const nsHTMLReflowState& aOuterRS,
|
|
nscoord* aCaptionWidth,
|
|
nsMargin& aInnerMargin,
|
|
nsMargin& aInnerPadding);
|
|
|
|
// reflow the child (caption or innertable frame),aMarginNoAuto is aMargin,
|
|
// but with auto margins set to 0
|
|
NS_IMETHOD OuterReflowChild(nsIPresContext* aPresContext,
|
|
nsIFrame* aChildFrame,
|
|
const nsHTMLReflowState& aOuterRS,
|
|
nsHTMLReflowMetrics& aMetrics,
|
|
nscoord aAvailWidth,
|
|
nsSize& aDesiredSize,
|
|
nsMargin& aMargin,
|
|
nsMargin& aMarginNoAuto,
|
|
nsMargin& aPadding,
|
|
nsReflowReason aReflowReason,
|
|
nsReflowStatus& aStatus,
|
|
PRBool* aNeedToReflowCaption = nsnull);
|
|
|
|
// Set the reflow metrics, aInnerMarginNoAuto is aInnerMargin, but with
|
|
// auto margins set to 0
|
|
// aCaptionMargionNoAuto is aCaptionMargin, but with auto margins set to 0
|
|
void UpdateReflowMetrics(nsIPresContext* aPresContext,
|
|
PRUint8 aCaptionSide,
|
|
nsHTMLReflowMetrics& aMet,
|
|
const nsMargin& aInnerMargin,
|
|
const nsMargin& aInnerMarginNoAuto,
|
|
const nsMargin& aInnerPadding,
|
|
const nsMargin& aCaptionMargin,
|
|
const nsMargin& aCaptionMargionNoAuto,
|
|
const nscoord aAvailWidth);
|
|
|
|
void InvalidateDamage(nsIPresContext* aPresContext,
|
|
PRUint8 aCaptionSide,
|
|
const nsSize& aOuterSize,
|
|
PRBool aInnerChanged,
|
|
PRBool aCaptionChanged,
|
|
nsRect* aOldOverflowArea);
|
|
|
|
// Get the margin and padding, aMarginNoAuto is aMargin, but with auto
|
|
// margins set to 0
|
|
void GetMarginPadding(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState& aOuterRS,
|
|
nsIFrame* aChildFrame,
|
|
nscoord aAvailableWidth,
|
|
nsMargin& aMargin,
|
|
nsMargin& aMarginNoAuto,
|
|
nsMargin& aPadding);
|
|
|
|
private:
|
|
// used to keep track of this frame's children. They are redundant with mFrames, but more convient
|
|
nsTableFrame* mInnerTableFrame;
|
|
nsIFrame* mCaptionFrame;
|
|
|
|
// used to track caption max element size
|
|
PRInt32 mMinCaptionWidth;
|
|
nscoord mPriorAvailWidth;
|
|
|
|
#ifdef DEBUG_TABLE_REFLOW_TIMING
|
|
public:
|
|
nsReflowTimer* mTimer;
|
|
#endif
|
|
};
|
|
|
|
inline nscoord nsTableOuterFrame::GetMinCaptionWidth()
|
|
{ return mMinCaptionWidth; }
|
|
|
|
inline PRIntn nsTableOuterFrame::GetSkipSides() const
|
|
{ return 0; }
|
|
|
|
#endif
|
|
|
|
|
|
|